2309704 has 16 divisors (see below), whose sum is σ = 4402620. Its totient is φ = 1135680.

The previous prime is 2309693. The next prime is 2309707. The reversal of 2309704 is 4079032.

It can be written as a sum of positive squares in 2 ways, for example, as 1822500 + 487204 = 1350^2 + 698^2 .

It is not an unprimeable number, because it can be changed into a prime (2309707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1879 + ... + 2854.

2^2309704 is an apocalyptic number.

It is an amenable number.

2309704 is a deficient number, since it is larger than the sum of its proper divisors (2092916).

2309704 is a wasteful number, since it uses less digits than its factorization.

2309704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4800 (or 4796 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 2309704 is about 1519.7710353866. The cubic root of 2309704 is about 132.1859943065.

The spelling of 2309704 in words is "two million, three hundred nine thousand, seven hundred four".